Romans 16:23
Gaius my host, and of the whole congregation, salutes you. Erastus, the manager of the city, salutes you, and Quartus the brother.
Acts 19:22
And having sent into Macedonia two of those who help him, Timothy and Erastus, he himself stayed in Asia for a while.
1 Corinthians 1:14
I thank God that I immersed none of you except Crispus and Gaius,
2 Timothy 4:20
Erastus remained at Corinth, but Trophimus I left being sick at Miletus.
3 John 1:1-6
The elder to the beloved Gaius, whom I love in truth.
Acts 19:29
And the whole city was filled with the confusion. And they rushed with one accord into the theatre, having seized Gaius and Aristarchus, Macedonians, traveling companions of Paul.
Acts 20:4
And there accompanied him as far as Asia, Sopater a Berean, and of the Thessalonians, Aristarchus and Secundus, and Gaius a Derbean, and Timothy, and the Asians, Tychicus and Trophimus.